My new bash PS1 prompt (on osx)

.bashrc

alias ls='ls -G'

source /usr/share/git-core/git-prompt.sh
source /usr/share/git-core/git-completion.bash

GIT_PS1_SHOWDIRTYSTATE=true
GIT_PS1_SHOWCOLORHINTS=true
GIT_PS1_SHOWUNTRACKEDFILES=true

PS1="\n\[\e[01;34m\]┌─(\[\e[01;35m\]\u@${HOSTNAME%%.*}\[\e[01;34m\])"'$(__git_ps1 "──(\[\e[01;31m\]%s\[\e[01;34m\])")'"\[\e[01;34m\]\n\[\e[01;34m\]└─(\[\e[01;32m\]\w\[\e[01;34m\])──(\[\e[01;32m\]$ \[\e[01;37m\]"

In home directory (not in git repo):

In directory with git repo (which contains changes):